[TNT-208] App Coordinator 로직 작성

TnT/Projects/Presentation/Sources/Coordinator/AppFlow/AppFlowCoordinatorFeature.swift

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+//
+//  AppFlowCoordinatorFeature.swift
+//  Presentation
+//
+//  Created by 박민서 on 2/4/25.
+//  Copyright © 2025 yapp25thTeamTnT. All rights reserved.
+//
+
+import SwiftUI
+import ComposableArchitecture
+
+import Domain
+
+@Reducer
+public struct AppFlowCoordinatorFeature {
+    @ObservableState
+    public struct State: Equatable {
+        var userType: UserType?
+
+        // MARK: SubFeature state
+        var trainerMainState: TrainerMainFlowFeature.State?
+        var traineeMainState: TraineeMainFlowFeature.State?
+        var onboardingState: OnboardingFlowFeature.State?
+
+        public init(
+            userType: UserType? = nil,
+            onboardingState: OnboardingFlowFeature.State? = .init(),
+            trainerMainState: TrainerMainFlowFeature.State? = nil,
+            traineeMainState: TraineeMainFlowFeature.State? = nil
+        ) {
+            self.userType = userType
+            self.onboardingState = onboardingState
+            self.trainerMainState = trainerMainState
+            self.traineeMainState = traineeMainState
+        }
+    }
+
+    public enum Action {
+        /// 하위 코디네이터에서 일어나는 액션을 처리합니다
+        case subFeature(SubFeatureAction)
+        case onAppear
+
+        @CasePathable
+        public enum SubFeatureAction: Sendable {
+            /// 온보딩 플로우 코디네이터에서 발생하는 액션 처리
+            case onboardingFlow(OnboardingFlowFeature.Action)
+            /// 트레이너 메인탭 플로우 코디네이터에서 발생하는 액션 처리
+            case trainerMainFlow(TrainerMainFlowFeature.Action)
+            /// 트레이니 메인탭 플로우 코디네이터에서 발생하는 액션 처리
+            case traineeMainFlow(TraineeMainFlowFeature.Action)
+        }
+    }
+
+    public init() {}
+
+    public var body: some Reducer<State, Action> {
+        Reduce { state, action in
+            switch action {
+            case .subFeature(let internalAction):
+                switch internalAction {
+                case .onboardingFlow:
+                    return .none
+
+                case .trainerMainFlow:
+                    return .none
+
+                case .traineeMainFlow:
+                    return .none
+                }
+
+            case .onAppear:
+                return .none
+            }
+        }
+        .ifLet(\.onboardingState, action: \.subFeature.onboardingFlow) { OnboardingFlowFeature() }
+        .ifLet(\.trainerMainState, action: \.subFeature.trainerMainFlow) { TrainerMainFlowFeature() }
+        .ifLet(\.traineeMainState, action: \.subFeature.traineeMainFlow) { TraineeMainFlowFeature() }
+    }
+}

TnT/Projects/Presentation/Sources/Coordinator/AppFlow/AppFlowCoordinatorView.swift

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+//
+//  AppFlowCoordinatorView.swift
+//  Presentation
+//
+//  Created by 박민서 on 2/4/25.
+//  Copyright © 2025 yapp25thTeamTnT. All rights reserved.
+//
+
+import SwiftUI
+import ComposableArchitecture
+
+public struct AppFlowCoordinatorView: View {
+    let store: StoreOf<AppFlowCoordinatorFeature>
+
+    public init(store: StoreOf<AppFlowCoordinatorFeature>) {
+        self.store = store
+    }
+
+    public var body: some View {
+        Group {
+            if let userType = store.userType {
+                switch userType {
+                case .trainee:
+                    if let store = store.scope(state: \.traineeMainState, action: \.subFeature.traineeMainFlow) {
+                        TraineeMainFlowView(store: store)
+                    }
+                case .trainer:
+                    if let store = store.scope(state: \.trainerMainState, action: \.subFeature.trainerMainFlow) {
+                        TrainerMainFlowView(store: store)
+                    }
+                }
+            } else {
+                if let store = store.scope(state: \.onboardingState, action: \.subFeature.onboardingFlow) {
+                    OnboardingFlowView(store: store)
+                }
+            }
+        }
+        .onAppear {
+            store.send(.onAppear)
+        }
+    }
+}

TnT/Projects/Presentation/Sources/Coordinator/OnboardingFlow/OnboardingFlowFeature.swift

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+//
+//  OnboardingNavigationFeature.swift
+//  Presentation
+//
+//  Created by 박서연 on 1/24/25.
+//  Copyright © 2025 yapp25thTeamTnT. All rights reserved.
+//
+
+import SwiftUI
+import ComposableArchitecture
+
+import Domain
+
+@Reducer
+public struct OnboardingFlowFeature {
+    @ObservableState
+    public struct State: Equatable {
+        public var path: StackState<Path.State>
+
+        public init(path: StackState<Path.State> = .init([.snsLogin(.init())])) {
+            self.path = path
+        }
+    }
+
+    public enum Action: Sendable {
+        /// 현재 표시되고 있는 path 화면 내부에서 일어나는 액션을 처리합니다.
+        case path(StackActionOf<Path>)
+        case onAppear
+    }
+
+    public init() {}
+
+    public var body: some ReducerOf<Self> {
+        Reduce { state, action in
+            switch action {
+            case let .path(action):
+                switch action {
+
+                case .element(id: _, action: .snsLogin(.view(.tappedAppleLogin))):
+                    state.path.append(.trainerSignUpComplete(.init()))
+                    return .none
+
+                /// 트레이너 프로필 생성 완료 -> 다음 버튼 tapped
+                case .element(id: _, action: .trainerSignUpComplete(.setNavigating)):
+                    state.path.append(.trainerMakeInvitationCode(MakeInvitationCodeFeature.State()))
+                    return .none
+
+                /// 트레이너의 초대코드 화면 -> 건너뛰기 버튼 tapped
+                case .element(id: _, action: .trainerMakeInvitationCode(.setNavigation)):
+                    // 추후에 홈과 연결
+                    return .none
+
+                ///  약관 화면 -> 트레이너/트레이니 선택 화면 이동
+                case .element(id: _, action: .userTypeSelection):
+                    return .none
+
+                default:
+                    return .none
+                }
+
+            case .onAppear:
+                return .none
+            }
+        }
+        .forEach(\.path, action: \.path)
+    }
+}
+
+extension OnboardingFlowFeature {
+    @Reducer(state: .equatable, .sendable)
+    public enum Path {
+        // MARK: Common
+        /// SNS 로그인 뷰
+        case snsLogin(LoginFeature)
+        /// 약관동의뷰
+        case term(TermFeature)
+        /// 트레이너/트레이니 선택 뷰
+        case userTypeSelection(UserTypeSelectionFeature)
+        /// 트레이너/트레이니의 이름 입력 뷰
+        case createProfile(CreateProfileFeature)
+
+        // MARK: Trainer
+        /// 트레이너 회원 가입 완료 뷰
+        /// TODO: 트레이너/트레이니 회원 가입 완료 화면으로 통합 필요
+        case trainerSignUpComplete(TrainerSignUpCompleteFeature)
+        /// 트레이너의 초대코드 발급 뷰
+        case trainerMakeInvitationCode(MakeInvitationCodeFeature)
+        /// 트레이너의 트레이니 프로필 확인 뷰
+        case trainerConnectedTraineeProfile(ConnectedTraineeProfileFeature)
+
+        // MARK: Trainee
+        /// 트레이니 기본 정보 입력
+        case traineeBasicInfoInput(TraineeBasicInfoInputFeature)
+        /// 트레이니 PT 목적 입력
+        case traineeTrainingPurpose(TraineeTrainingPurposeFeature)
+        /// 트레이니 주의사항 입력
+        case traineePrecautionInput(TraineePrecautionInputFeature)
+        /// 트레이니 프로필 생성 완료
+        /// TODO: 트레이너/트레이니 회원 가입 완료 화면으로 통합 필요
+        case traineeProfileCompletion(TraineeProfileCompletionFeature)
+        /// 트레이니 초대 코드입력
+        case traineeInvitationCodeInput(TraineeInvitationCodeInputFeature)
+        /// 트레이니 수업 정보 입력
+        case traineeTrainingInfoInput(TraineeTrainingInfoInputFeature)
+        /// 트레이니 연결 완료
+        /// TODO: 트레이너/트레이니 연결 완료 화면으로 통합 필요
+        case traineeConnectionComplete(TraineeConnectionCompleteFeature)
+    }
+}

TnT/Projects/Presentation/Sources/Coordinator/OnboardingFlow/OnboardingFlowView.swift

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+//
+//  OnboardingNavigationView.swift
+//  Presentation
+//
+//  Created by 박민서 on 2/4/25.
+//  Copyright © 2025 yapp25thTeamTnT. All rights reserved.
+//
+
+import SwiftUI
+import ComposableArchitecture
+
+import DesignSystem
+
+public struct OnboardingFlowView: View {
+    @Bindable var store: StoreOf<OnboardingFlowFeature>
+
+    public init(store: StoreOf<OnboardingFlowFeature>) {
+        self.store = store
+    }
+
+    public var body: some View {
+        NavigationStack(path: $store.scope(state: \.path, action: \.path)) {
+            EmptyView()
+        } destination: { store in
+            switch store.case {
+                // MARK: Common
+            case .snsLogin(let store):
+                LoginView(store: store)
+            case .term(let store):
+                TermView(store: store)
+            case .userTypeSelection(let store):
+                UserTypeSelectionView(store: store)
+            case .createProfile(let store):
+                CreateProfileView(store: store)
+
+                // MARK: Trainer
+            case .trainerSignUpComplete(let store):
+                TrainerSignUpCompleteView(store: store)
+            case .trainerMakeInvitationCode(let store):
+                MakeInvitationCodeView(store: store)
+            case .trainerConnectedTraineeProfile(let store):
+                ConnectedTraineeProfileView(store: store)
+
+                // MARK: Trainee
+            case .traineeBasicInfoInput(let store):
+                TraineeBasicInfoInputView(store: store)
+            case .traineeTrainingPurpose(let store):
+                TraineeTrainingPurposeView(store: store)
+            case .traineePrecautionInput(let store):
+                TraineePrecautionInputView(store: store)
+            case .traineeProfileCompletion(let store):
+                TraineeProfileCompletionView(store: store)
+            case .traineeInvitationCodeInput(let store):
+                TraineeInvitationCodeInputView(store: store)
+            case .traineeTrainingInfoInput(let store):
+                TraineeTrainingInfoInputView(store: store)
+            case .traineeConnectionComplete(let store):
+                TraineeConnectionCompleteView(store: store)
+            }
+        }
+    }
+}